diff --git a/dlls/winecoreaudio.drv/coreaudio.c b/dlls/winecoreaudio.drv/coreaudio.c
index d7390c5a677..f59723d48f6 100644
--- a/dlls/winecoreaudio.drv/coreaudio.c
+++ b/dlls/winecoreaudio.drv/coreaudio.c
@@ -1527,6 +1527,20 @@ static NTSTATUS get_position(void *args)
     return STATUS_SUCCESS;
 }
 
+static NTSTATUS get_frequency(void *args)
+{
+    struct get_frequency_params *params = args;
+    struct coreaudio_stream *stream = params->stream;
+
+    if(stream->share == AUDCLNT_SHAREMODE_SHARED)
+        *params->freq = (UINT64)stream->fmt->nSamplesPerSec * stream->fmt->nBlockAlign;
+    else
+        *params->freq = stream->fmt->nSamplesPerSec;
+
+    params->result = S_OK;
+    return STATUS_SUCCESS;
+}
+
 unixlib_entry_t __wine_unix_call_funcs[] =
 {
     get_endpoint_ids,
@@ -1546,4 +1560,5 @@ unixlib_entry_t __wine_unix_call_funcs[] =
     get_current_padding,
     get_next_packet_size,
     get_position,
+    get_frequency,
 };
diff --git a/dlls/winecoreaudio.drv/mmdevdrv.c b/dlls/winecoreaudio.drv/mmdevdrv.c
index ebfc0543af8..f79d808d8ed 100644
--- a/dlls/winecoreaudio.drv/mmdevdrv.c
+++ b/dlls/winecoreaudio.drv/mmdevdrv.c
@@ -1458,15 +1458,14 @@ static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
 {
     ACImpl *This = impl_from_IAudioClock(iface);
+    struct get_frequency_params params;
 
     TRACE("(%p)->(%p)\n", This, freq);
 
-    if(This->stream->share == AUDCLNT_SHAREMODE_SHARED)
-        *freq = (UINT64)This->stream->fmt->nSamplesPerSec * This->stream->fmt->nBlockAlign;
-    else
-        *freq = This->stream->fmt->nSamplesPerSec;
-
-    return S_OK;
+    params.stream = This->stream;
+    params.freq = freq;
+    UNIX_CALL(get_frequency, &params);
+    return params.result;
 }
 
 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
diff --git a/dlls/winecoreaudio.drv/unixlib.h b/dlls/winecoreaudio.drv/unixlib.h
index e9edaf82973..5dcefe2eb05 100644
--- a/dlls/winecoreaudio.drv/unixlib.h
+++ b/dlls/winecoreaudio.drv/unixlib.h
@@ -181,6 +181,13 @@ struct get_position_params
     UINT64 *qpctime;
 };
 
+struct get_frequency_params
+{
+    struct coreaudio_stream *stream;
+    HRESULT result;
+    UINT64 *freq;
+};
+
 enum unix_funcs
 {
     unix_get_endpoint_ids,
@@ -200,6 +207,7 @@ enum unix_funcs
     unix_get_current_padding,
     unix_get_next_packet_size,
     unix_get_position,
+    unix_get_frequency,
 };
 
 extern unixlib_handle_t coreaudio_handle;